National Research Council (U.S.). Subcommittee on Genetic Variance in Animal Nutrition & American Society of Animal Science. (1975). The effect of genetic variance on nutritional requirements of animals: Proceedings of a symposium, University of Maryland, College Park, Maryland, July 31, 1974. National Academy of Sciences.
Cita Chicago (17th ed.)National Research Council (U.S.). Subcommittee on Genetic Variance in Animal Nutrition i American Society of Animal Science. The Effect of Genetic Variance on Nutritional Requirements of Animals: Proceedings of a Symposium, University of Maryland, College Park, Maryland, July 31, 1974. Washington, D.C.: National Academy of Sciences, 1975.
Cita MLA (9th ed.)National Research Council (U.S.). Subcommittee on Genetic Variance in Animal Nutrition i American Society of Animal Science. The Effect of Genetic Variance on Nutritional Requirements of Animals: Proceedings of a Symposium, University of Maryland, College Park, Maryland, July 31, 1974. National Academy of Sciences, 1975.